ICSE ICSE Class 6 - CISCE Question Bank Solutions for Chemistry

Name the process by which the components of the following mixture can be separated.

Powdered glass and sugar

In the chemical word equation –

Zinc + Sulphuric acid → Zinc sulphate + Hydrogen.

State the reactants and products of the above reaction. What does the arrow indicate?

Give reasons

Sand and sawdust cannot be separated by handpicking.

The solid particles which remain on the filter paper are called residue and the liquid which passes through it is called ______.

Fill in the blank

______ is a method used for the separation of an insoluble solid from a solid-liquid mixture.

Select the correct answer from the choice given below.
The symbol of mercury is

Select the correct answer from the choice given below.

The type of element-phosphorus

Give one word name for the following

The solid which is left on the filter paper after filtration.

State the principle involved in separation of solid-liquid mixtures by filtration

Explain the technique for separating – insoluble solid particles in a solid-liquid mixture.

Draw a neat labelled diagram for the separation of the following mixture.

Chalk and water using a filter paper

Draw a neat labelled diagram for the separation of the following mixture.

Sand and water without using a filter paper

Give reasons for the following:

Sodium chloride cannot be separated out from its aqueous solution by filtration.

What are the main components of air?

Write down the composition of three main gases present in air by volume.

What do you observe when Ice cold water is filled in a glass tumbler.

Define the following:

Combustion.

What are fuels?

Give two examples of modern fuels.

Give reason:

Aquatic animals and plants are able to survive in the matter.